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Loans and Allowance for Credit Losses Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Impaired loans with principal balances approximately in percentage 86.00% 98.00%
Unpaid principal balance, with no related allowance $ 60,040 $ 59,942
COVID-19 Deferral Program    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Excluded from TDRs 13,100  
Minimum    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Minimum balance of loans evaluated individually for impairment 1,000 $ 1,000
Impaired loans balances, real estate as collateral $ 1,000